.efficiency {
  padding: 120px 0 55px;
  background-color: #F7F8FA;

  .card-list-wrap {
    width: 1200px;
    margin: 0 auto;

    .card-item {
      box-sizing: border-box;
      background-color: #fff;
      border-radius: 30px;
      height: 776px;
      width: 588px;
      padding: 44px 0 0 39px;
      list-style-type: none;
      margin: 0 0 24px;

      .left-part {
        display: flex;
        flex-direction: column;
        justify-content: center;
        width: 447px;

        .title-wrap {
          position: absolute;
          top: 50%;
          left: 0;
          transform: translateY(-50%);
          transition: opacity .4s;
          opacity: 0;
        }

        .active {
          z-index: 2;
          opacity: 1;
        }
      }

      .embed-image {
        position: relative;

        .phone-frame {
          position: relative;
          z-index: 2;
          width: 411px;
          height: 647px;
        }
      }

      .video-wrap {
        video {
          position: absolute;
          width: 100%;
          height: 100%;
          opacity: 1;
          transition: opacity .3s;
          mix-blend-mode: darken;
        }
      }

      .right-part {
        margin-top: 44px;
      }
    }

    .row {
      display: flex;
      justify-content: space-between;
    }

    .card-item-large {
      width: 1200px;
      height: 625px;
      padding: 0 59px 0 141px;
    }

    .smart-label {
      height: 658px;
      position: relative;
    }

    .card-content {
      overflow: hidden;
    }

    .reverse {
      padding-left: 180px;
      padding-right: 102px;
    }

    .small-window .left-part {
      position: relative;
    }
  }
}